Genesis 16:15-16

16:15 So Hagar gave birth to Abram’s son, whom Abram named Ishmael. 16:16 (Now Abram was 86 years old when Hagar gave birth to Ishmael.)

Genesis 25:24

25:24 When the time came for Rebekah to give birth, there were twins in her womb.

Genesis 30:21

30:21 After that she gave birth to a daughter and named her Dinah.

Genesis 38:27

38:27 When it was time for her to give birth, there were twins in her womb.